/Engine/Source/Runtime/MovieScene/Public/Evaluation/MovieSceneTrackImplementation.h
This function is intended to allow pre-frame set up, and should avoid mutating any state. Only called if EnableOverrides(CustomInitializeFlag) has been called (see SetupOverrides).
virtual void Initialize ( const [FMovieSceneEvaluationTrack](API\Runtime\MovieScene\Evaluation\FMovieSceneEvaluationTrack) & Track, [TArrayView](API\Runtime\Core\Containers\TArrayView)< const [FMovieSceneFieldEntry_ChildTemplate](API\Runtime\MovieScene\Evaluation\FMovieSceneFieldEntry_ChildTempl-) > Children, const [FMovieSceneEvaluationOperand](API\Runtime\MovieScene\Evaluation\FMovieSceneEvaluationOperand) & Operand, const [FMovieSceneContext](API\Runtime\MovieScene\Evaluation\FMovieSceneContext) & Context, [FPersistentEvaluationData](API\Runtime\MovieScene\Evaluation\FPersistentEvaluationData) & PersistentData, [IMovieScenePlayer](API\Runtime\MovieScene\IMovieScenePlayer) & Player ) const